1 /* 2 * Copyright (c) 2011-2020 Apple Computer, Inc. All rights reserved. 3 * 4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ 5 * 6 * This file contains Original Code and/or Modifications of Original Code 7 * as defined in and that are subject to the Apple Public Source License 8 * Version 2.0 (the 'License'). You may not use this file except in 9 * compliance with the License. The rights granted to you under the License 10 * may not be used to create, or enable the creation or redistribution of, 11 * unlawful or unlicensed copies of an Apple operating system, or to 12 * circumvent, violate, or enable the circumvention or violation of, any 13 * terms of an Apple operating system software license agreement. 14 * 15 * Please obtain a copy of the License at 16 * http://www.opensource.apple.com/apsl/ and read it before using this file. 17 * 18 * The Original Code and all software distributed under the License are 19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 23 * Please see the License for the specific language governing rights and 24 * limitations under the License. 25 * 26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ 27 */ 28 29 #ifndef KPERF_SAMPLE_H 30 #define KPERF_SAMPLE_H 31 32 #include <kperf/thread_samplers.h> 33 #include <kperf/task_samplers.h> 34 #include "callstack.h" 35 #include "kperf_kpc.h" 36 #include "meminfo.h" 37 38 /* 39 * Dispatch sampling may need to read from compressed, file-backed pages, which 40 * incurs a steep stack usage penalty. 41 */ 42 struct kperf_usample_min { 43 struct kperf_thread_dispatch th_dispatch; 44 }; 45 46 /* 47 * For data that must be sampled in a fault-able context. 48 */ 49 struct kperf_usample { 50 struct kperf_usample_min *usample_min; 51 struct kp_ucallstack ucallstack; 52 struct kperf_thread_info th_info; 53 }; 54 55 struct kperf_sample { 56 struct kperf_thread_info th_info; 57 struct kperf_thread_scheduling th_scheduling; 58 struct kperf_thread_snapshot th_snapshot; 59 60 struct kperf_task_snapshot tk_snapshot; 61 62 struct kp_kcallstack kcallstack; 63 struct meminfo meminfo; 64 65 struct kperf_usample usample; 66 67 #if KPC 68 struct kpcdata kpcdata; 69 #endif /* KPC */ 70 71 #if DEVELOPMENT || DEBUG 72 uint64_t sample_time; 73 #endif /* DEVELOPMENT || DEBUG */ 74 }; 75 76 /* cache of threads on each CPU during a timer fire */ 77 extern uint64_t *kperf_tid_on_cpus; 78 79 #endif /* !defined(KPERF_SAMPLE_H) */ 80